DO NOWS
You are playing outside on a very hot day.
What are some things your body does when you get to hot?
Why do you think your body does these things?
Your body sweats to make you cooler
What is homeostasis??
Processes that keep the inside of an organism approximately the same all the time.
what is the order in body organizations
1.Cells
2.Tissues
3.organs
4.Organ Systems
5.Organisms
you accidentally touch something hot and quickly take your hand off.which two types of tissues are important for this
nervous and muscle tissue
How do you maintain homeostasis??
FEEDBACK MECHANISMS
what is a cell
smallest unit of organization
building block of all living things
how does your body keep itself stable
your body is constantly making changes to keep you alive
Feedback mechanisms are either____ or ____
positive,negative
WHAT ARE THE TYPES OF TISSUES
epithelial
nervous
muscle
connective
what are negative feedback mechanisms
an increase in the product or the results causes a decrease in the response
what is an organ
2 or more tissues working together to perform a particular function
what are positive feedback mechanisms
an increase in the product or results causes an increase in the respose
what is an organ system
group of organs working together to form a particular function